Chemistry
ASE GUI
Atomic Simulation Environment GUI
Chemtool
The molecules drawing program (2D)
fityk
Curve fitting (esp. peak fitting) and data analysis
Garlic Protein Visualization
Visualize and investigate proteins and some geometric objects
GChem3D
Display chemical 3D structures
GChemCalc
A simple calculator for chemistry
GChemPaint
Edit chemical 2D structures
GChemTable
A Mendeleiev table of the chemical elements
GCrystal
Edit and display crystalline structures
Periodic Table
View the periodic table of elements
GPeriodic
A program for looking up data of elements from the periodic table
GSpectrum
A spectrum viewer for the GNOME desktop
Interactive Viewer for 3D Vector Graphics
KiNG (Kinemage, Next Generation) is an interactive system for three-dimensional vector graphics
Kalzium
Periodic Table of Elements